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authorStanislav Zaikin <stanislav.zaikin@46labs.com>2023-02-21 09:26:41 +0100
committerNeale Ranns <neale@graphiant.com>2023-05-22 10:49:54 +0000
commit51541247cb97d377d7df6f0d1965a0868bafd1ae (patch)
tree5154d06a79d37b19c5f846f124ffb74112fb219d /src/vnet
parentae48ffb503bce4d78e8549bde2adbdeabb60fe8e (diff)
teib: fix nh-table-id
Peer fib index and nh fib index should be different when nh-table-id is specified. Type: fix Change-Id: I4c8296adb5aeab1c0022bfc1046e9559331b79b2 Signed-off-by: Stanislav Zaikin <stanislav.zaikin@46labs.com>
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/teib/teib.c79
1 files changed, 38 insertions, 41 deletions
diff --git a/src/vnet/teib/teib.c b/src/vnet/teib/teib.c
index 44bbc7cfd89..eb554b39658 100644
--- a/src/vnet/teib/teib.c
+++ b/src/vnet/teib/teib.c
@@ -34,7 +34,7 @@ struct teib_entry_t_
{
teib_key_t *te_key;
fib_prefix_t te_nh;
- u32 te_fib_index;
+ u32 te_nh_fib_index;
};
typedef struct teib_db_t_
@@ -83,7 +83,7 @@ teib_entry_get_af (const teib_entry_t * te)
u32
teib_entry_get_fib_index (const teib_entry_t * te)
{
- return (te->te_fib_index);
+ return (te->te_nh_fib_index);
}
const ip_address_t *
@@ -101,7 +101,7 @@ teib_entry_get_nh (const teib_entry_t * te)
void
teib_entry_adj_stack (const teib_entry_t * te, adj_index_t ai)
{
- adj_midchain_delegate_stack (ai, te->te_fib_index, &te->te_nh);
+ adj_midchain_delegate_stack (ai, te->te_nh_fib_index, &te->te_nh);
}
teib_entry_t *
@@ -139,7 +139,7 @@ teib_entry_find_46 (u32 sw_if_index,
}
static void
-teib_adj_fib_add (const ip_address_t * ip, u32 sw_if_index, u32 fib_index)
+teib_adj_fib_add (const ip_address_t *ip, u32 sw_if_index, u32 peer_fib_index)
{
if (AF_IP6 == ip_addr_version (ip) &&
ip6_address_is_link_local_unicast (&ip_addr_v6 (ip)))
@@ -155,21 +155,18 @@ teib_adj_fib_add (const ip_address_t * ip, u32 sw_if_index, u32 fib_index)
fib_prefix_t pfx;
ip_address_to_fib_prefix (ip, &pfx);
- fib_table_entry_path_add (fib_index, &pfx, FIB_SOURCE_ADJ,
- FIB_ENTRY_FLAG_ATTACHED,
- fib_proto_to_dpo (pfx.fp_proto),
- &pfx.fp_addr,
- sw_if_index,
- ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
-
+ fib_table_entry_path_add (
+ peer_fib_index, &pfx, FIB_SOURCE_ADJ, FIB_ENTRY_FLAG_ATTACHED,
+ fib_proto_to_dpo (pfx.fp_proto), &pfx.fp_addr, sw_if_index, ~0, 1,
+ NULL, FIB_ROUTE_PATH_FLAG_NONE);
if (0 == teib_db.td_n_entries[ip_addr_version (ip)]++)
- fib_table_lock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
+ fib_table_lock (peer_fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
}
}
static void
-teib_adj_fib_remove (ip_address_t * ip, u32 sw_if_index, u32 fib_index)
+teib_adj_fib_remove (ip_address_t *ip, u32 sw_if_index, u32 peer_fib_index)
{
if (AF_IP6 == ip_addr_version (ip) &&
ip6_address_is_link_local_unicast (&ip_addr_v6 (ip)))
@@ -185,14 +182,12 @@ teib_adj_fib_remove (ip_address_t * ip, u32 sw_if_index, u32 fib_index)
fib_prefix_t pfx;
ip_address_to_fib_prefix (ip, &pfx);
- fib_table_entry_path_remove (fib_index, &pfx, FIB_SOURCE_ADJ,
- fib_proto_to_dpo (pfx.fp_proto),
- &pfx.fp_addr,
- sw_if_index,
- ~0, 1, FIB_ROUTE_PATH_FLAG_NONE);
+ fib_table_entry_path_remove (
+ peer_fib_index, &pfx, FIB_SOURCE_ADJ, fib_proto_to_dpo (pfx.fp_proto),
+ &pfx.fp_addr, sw_if_index, ~0, 1, FIB_ROUTE_PATH_FLAG_NONE);
if (0 == --teib_db.td_n_entries[ip_addr_version (ip)])
- fib_table_unlock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
+ fib_table_unlock (peer_fib_index, pfx.fp_proto, FIB_SOURCE_ADJ);
}
}
@@ -203,15 +198,17 @@ teib_entry_add (u32 sw_if_index,
{
fib_protocol_t nh_proto;
teib_entry_t *te;
- u32 fib_index;
+ u32 nh_fib_index, peer_fib_index;
index_t tei;
nh_proto = (AF_IP4 == ip_addr_version (nh) ?
FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
- fib_index = fib_table_find (nh_proto, nh_table_id);
+ peer_fib_index = fib_table_get_index_for_sw_if_index (
+ ip_address_family_to_fib_proto (peer->version), sw_if_index);
+ nh_fib_index = fib_table_find (nh_proto, nh_table_id);
- if (~0 == fib_index)
+ if (~0 == nh_fib_index)
{
return (VNET_API_ERROR_NO_SUCH_FIB);
}
@@ -233,12 +230,12 @@ teib_entry_add (u32 sw_if_index,
clib_memcpy (te->te_key, &nk, sizeof (*te->te_key));
ip_address_to_fib_prefix (nh, &te->te_nh);
- te->te_fib_index = fib_index;
+ te->te_nh_fib_index = nh_fib_index;
hash_set_mem (teib_db.td_db, te->te_key, tei);
/* we how have a /32 in the overlay, add an adj-fib */
- teib_adj_fib_add (&te->te_key->tk_peer, sw_if_index, fib_index);
+ teib_adj_fib_add (&te->te_key->tk_peer, sw_if_index, peer_fib_index);
TEIB_NOTIFY (te, nv_added);
TEIB_TE_INFO (te, "created");
@@ -262,13 +259,12 @@ teib_entry_del (u32 sw_if_index, const ip_address_t * peer)
{
TEIB_TE_INFO (te, "removed");
- u32 fib_index;
+ u32 peer_fib_index;
- fib_index = fib_table_get_index_for_sw_if_index
- (ip_address_family_to_fib_proto (ip_addr_version (peer)),
- sw_if_index);
+ peer_fib_index = fib_table_get_index_for_sw_if_index (
+ ip_address_family_to_fib_proto (peer->version), sw_if_index);
- teib_adj_fib_remove (&te->te_key->tk_peer, sw_if_index, fib_index);
+ teib_adj_fib_remove (&te->te_key->tk_peer, sw_if_index, peer_fib_index);
hash_unset_mem (teib_db.td_db, te->te_key);
@@ -301,7 +297,7 @@ format_teib_entry (u8 * s, va_list * args)
s = format (s, "%U", format_ip_address,
&te->te_key->tk_peer, IP46_TYPE_ANY);
s = format (s, " via [%d]:%U",
- fib_table_get_table_id (te->te_fib_index, te->te_nh.fp_proto),
+ fib_table_get_table_id (te->te_nh_fib_index, te->te_nh.fp_proto),
format_fib_prefix, &te->te_nh);
return (s);
@@ -352,8 +348,8 @@ teib_walk_itf_proto (u32 sw_if_index,
typedef struct teib_table_bind_ctx_t_
{
- u32 new_fib_index;
- u32 old_fib_index;
+ u32 new_peer_fib_index;
+ u32 old_peer_fib_index;
} teib_table_bind_ctx_t;
static walk_rc_t
@@ -364,12 +360,13 @@ teib_walk_table_bind (index_t tei, void *arg)
te = teib_entry_get (tei);
- TEIB_TE_INFO (te, "bind: %d -> %d", ctx->old_fib_index, ctx->new_fib_index);
+ TEIB_TE_INFO (te, "bind: %d -> %d", ctx->old_peer_fib_index,
+ ctx->new_peer_fib_index);
- teib_adj_fib_remove (&te->te_key->tk_peer,
- te->te_key->tk_sw_if_index, ctx->old_fib_index);
- teib_adj_fib_add (&te->te_key->tk_peer,
- te->te_key->tk_sw_if_index, ctx->new_fib_index);
+ teib_adj_fib_remove (&te->te_key->tk_peer, te->te_key->tk_sw_if_index,
+ ctx->old_peer_fib_index);
+ teib_adj_fib_add (&te->te_key->tk_peer, te->te_key->tk_sw_if_index,
+ ctx->new_peer_fib_index);
return (WALK_CONTINUE);
}
@@ -380,8 +377,8 @@ teib_table_bind_v4 (ip4_main_t * im,
u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
{
teib_table_bind_ctx_t ctx = {
- .old_fib_index = old_fib_index,
- .new_fib_index = new_fib_index,
+ .old_peer_fib_index = old_fib_index,
+ .new_peer_fib_index = new_fib_index,
};
teib_walk_itf_proto (sw_if_index, AF_IP4, teib_walk_table_bind, &ctx);
@@ -393,8 +390,8 @@ teib_table_bind_v6 (ip6_main_t * im,
u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
{
teib_table_bind_ctx_t ctx = {
- .old_fib_index = old_fib_index,
- .new_fib_index = new_fib_index,
+ .old_peer_fib_index = old_fib_index,
+ .new_peer_fib_index = new_fib_index,
};
teib_walk_itf_proto (sw_if_index, AF_IP6, teib_walk_table_bind, &ctx);